Those plaid shirts they sell at the mall that the hipsters and scene kids like to wear. They’re usually checkered red, blue, or yellow with a white or black background. Not to be confused with the plaid shirts your dad wears. Lots of celebrates are wearing them right now, a part of the Western trend.

Tim: Hey, I love those shirts Tegan and Sara are wearing.
Tom: Yeah, it's a called a picnic shirt. Let's go to the mall and buy some!